PROFESSIONAL

POWER TOOLS

PROFESSIONAL

POWERTOOLS

DERA DK9100B Angle Grinder | 1050W Heavy Duty Tool with 140-Hour Endurance Test

Model: DK9100B / 9115B

The DERA DK9100B angle grinder delivers 1050W power, 11000 rpm, and 140-hour endurance. Dual voltage 110V/220V. No burnout, no overheating. Ideal for cutting rebar and concrete.

 

DERA DK9100B Angle Grinder | 1050W Heavy Duty Tool

The DERA DK9100B angle grinder is a 1050W heavy duty tool built for professionals in industrial manufacturing, construction, and metalworking. Unlike ordinary tools, this heavy duty angle grinder delivers consistent power for cutting rebar, grinding concrete, and polishing metal without burnout or overheating.

1050W Heavy Duty Tool for Cutting Rebar and Concrete

The DERA DK9100B angle grinder features a 1050W motor and 11,000 rpm no-load speed. This heavy duty tool handles the toughest jobs with ease:

  • Cutting rebar, steel pipes, and angle iron
  • Grinding concrete and metal surfaces
  • Polishing stone, marble, and metal
  • Removing rust and smoothing welds

With a Φ100mm disc and M10 spindle thread, this 1050W heavy duty tool accepts a wide range of accessories for metal processing, concrete processing, and ceramic tile processing.

140-Hour Endurance Test – No Burnout, No Overheating

One common problem with angle grinders is overheating during long work sessions. The DERA DK9100B angle grinder solves this. In a 140-hour no-load endurance test, this heavy duty tool ran continuously for over five days. It did not burn out. It did not overheat.

 

Key features that prevent overheating:

 

  • Pure copper motor coils for superior heat resistance
  • Efficient cooling system with optimized airflow
  • High-temperature insulation to protect internal components

For professionals, no burnout and no overheating mean fewer repairs, lower costs, and higher productivity.

Dual Voltage 110V/220V – A Heavy Duty Tool That Works Anywhere

The DERA DK9100B angle grinder supports dual voltage 110V/220V and dual frequency 60Hz/50Hz. This heavy duty tool works in North America, Japan, Europe, Asia, and beyond. No transformer needed.

This feature makes it ideal for contractors, exporters, and international project teams who need a reliable 1050W heavy duty tool that performs consistently across different power grids.

Built for Safety and Comfort

Long work hours require a heavy duty angle grinder that feels good in hand. The DERA DK9100B includes:

  • Compact body for reduced fatigue during extended use
  • Spindle lock for quick and tool-free wheel changes
  • Adjustable safety guard for protection against flying debris
  • Auxiliary handle for better control during high-intensity cutting

These features help you work longer, safer, and with greater precision.

MODEL NO.DK9100B / 9115B
DISC DIAMETERΦ100mm
SPINDLE THREADM10
NO-LOAD SPEED11000 r/min
RATED INPUT POWER1050W
RATED VOLTAGE110/220V
RATED FREQUENCY60/50 Hz

Applications Cutting, grinding, polishing, metal processing, concrete processing


Official Warranty for Peace of Mind

Every DERA DK9100B angle grinder comes with an official warranty. This 1050W heavy duty tool is backed by reliable after-sales support. When you choose DERA, you choose a heavy duty angle grinder built to last.

Why Choose This Heavy Duty Angle Grinder?

  • 1050W motor – powerful enough for cutting rebar and grinding concrete
  • 11,000 rpm – fast cutting and efficient grinding
  • 140-hour endurance – no burnout, no overheating
  • Dual voltage 110V/220V – works worldwide
  • Official warranty – peace of mind included

Ready to Experience the DERA Difference?

From extreme testing to daily operation, we speak through quality. The DERA DK9100B angle grinder is a 1050W heavy duty tool you can trust. No burnout. No overheating. Just reliable performance.

Choose DERA. Choose reliability and durability.

DERA – Professional Power Tools, Built for the Doers.

DK-9100B

Click the link to check the detailes of the DK-9100B.